Zinc Plated Self Tapping Screws boxes of 1000

Gauge indicates the head size: 4 Gauge is approximately 4mm across the screw head and is suitable for light weighted and smaller framed works using the narrow D Rings or smaller D Rings. The 6 Gauge is approximately 6mm across the screw head and is more suitable for larger heavier works using the Wide D rings. Also keep in mind the length of the screws if you have a deep frame use longer screws.